Born: 1929, Tel Aviv
Ph. D. 1961, Hebrew Univ.; Lect. 1965; Sen. Lect. 1971
Assoc. Prof. 1978; Prof. 1992; Prof. Emeritus 1999.
Reproductive biology and productivity of subtropical fruit tree crops ( especially, avocado, mango, litchi and annona); Avocado pollination and pollinators; Breeding, selection and evaluation of avocado, mango and litchi cultivars; Selection of mango rootstocks.
The International society for Horticultural Science;
The American Society for Horticultural Science; The Interamerican Society for Tropical Horticulture; The Rare Fruit Council, International.
1999 – The Interamerican Society for Tropical Horticulture “Wilson Popenoe Award”.